The impact of 1080 bait removal by Lace Monitors (Varanus varius) on a Red Fox (Vulpes vulpes) control programme

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Summary

The use of toxic bait over large areas is a cost-effective and widely used technique for the management of wild canids in Australia. Lace Monitors are known to also take baits, and though unlikely to be lethal to these reptiles the effect on the efficacy of control operations is largely unknown. During a five year Red Fox control programme in eastern Victoria, Lace Monitors removed significantly higher numbers of toxic baits than canids during the warmer months, reducing the likelihood of foxes encountering bait and reducing the efficacy of the control programme. Suggestions are made to mitigate bait take by Lace Monitors.

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